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tmux is UTF-8, so if $TMUX is set (tmux running in tmux), the client is

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UTF-8. Also try to make the existing checks more readable.
This commit is contained in:
nicm 2015-11-12 11:24:08 +00:00
parent c41673f3fa
commit 0cc812ae34
1 changed files with 22 additions and 16 deletions
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38
tmux.c
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@ -191,8 +191,9 @@ find_home(void)
int
main(int argc, char **argv)
{
char *s, *path, *label, **var, tmp[PATH_MAX];
int opt, flags, keys;
char *path, *label, **var, tmp[PATH_MAX];
const char *s;
int opt, flags, keys;
#ifdef DEBUG
malloc_options = (char *) "AFGJPX";
@ -258,20 +259,25 @@ main(int argc, char **argv)
"proc exec tty ps", NULL) != 0)
err(1, "pledge");
if (!(flags & CLIENT_UTF8)) {
/*
* If the user has set whichever of LC_ALL, LC_CTYPE or LANG
* exist (in that order) to contain UTF-8, it is a safe
* assumption that either they are using a UTF-8 terminal, or
* if not they know that output from UTF-8-capable programs may
* be wrong.
*/
if ((s = getenv("LC_ALL")) == NULL || *s == '\0') {
if ((s = getenv("LC_CTYPE")) == NULL || *s == '\0')
s = getenv("LANG");
}
if (s != NULL && (strcasestr(s, "UTF-8") != NULL ||
strcasestr(s, "UTF8") != NULL))
/*
* tmux is a UTF-8 terminal, so if TMUX is set, assume UTF-8.
* Otherwise, if the user has set LC_ALL, LC_CTYPE or LANG to contain
* UTF-8, it is a safe assumption that either they are using a UTF-8
* terminal, or if not they know that output from UTF-8-capable
* programs may be wrong.
*/
if (getenv("TMUX") != NULL)
flags |= CLIENT_UTF8;
else {
s = getenv("LC_ALL");
if (s == NULL || *s == '\0')
s = getenv("LC_CTYPE");
if (s == NULL || *s == '\0')
s = getenv("LANG");
if (s == NULL || *s == '\0')
s = "";
if (strcasestr(s, "UTF-8") != NULL ||
strcasestr(s, "UTF8") != NULL)
flags |= CLIENT_UTF8;
}